Production of dicarboxylic acids

Details Production of dicarboxylic acids Production of dicarboxylic acids

1973-01-22

1977-11-29

Garner, Vivian

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260515P, 260537R, 560204, 560 97, C07C 5112, C07C 5114

Patent

active

040605477

ABSTRACT:
The present invention relates to a process for the preparation of dicarboxylic acids, specifically by the reaction of non-vicinal glycols; halogen containing derivatives in which the OH radical of the glycol is substituted by Cl, Br, or I; ester derivatives of glycols; and cyclic ether derivatives of glycols; with carbon monoxide in the presence of catalyst compositions essentially comprising rhodium or iridium compounds and complexes, together with a halide promoter.

REFERENCES:
patent: 2739169 (1956-03-01), Hagemeyer, Jr.
patent: 3020314 (1962-02-01), Olderson
patent: 3065242 (1962-11-01), Olderson et al.
patent: 3637833 (1972-01-01), Fenton
patent: 3769329 (1973-10-01), Paulik
patent: 3772380 (1973-11-01), Paulik

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